Earth drilling rigs



July 13,1965 H.D.FANSHAWE 3,194,313

EARTH DRILLING RIGS July 13, 1965 H. D. FANsHAwE 3,194,313

' EARTH DRILLING RIGS Filed Aug. 22, 1961 30 Sheets-Sheet 2 A #sw l?. FA/vsfmwg 23 HTToR/vf n:

July 13, 1965 H. D. FANsHAwE EARTH DRILLING RIGS 30 Sheets-Sheet 5 Filed Aug. 22. 1961 mm .QE E @Qui m@ E J QN h. 7

July 13, 1965 H. D. FANsHAwE 3,194,313

EARTH DRILLING RIGS July 13, 1965 H. n. FANsHAwE EARTH DRILLING RIGS 50 Sheets-Sheet 5 Filed Aug. 22. 1961 F I G /NvE/vm Haw D. FHA/:Hana

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HTToR/VE YS July 13, 1965 H. D. FANSHAWE 3,194,313

EARTH DRILLING RIGS Filed Aug. 22. 1961 3o sheets-sheet s HSW D, Fawn/Ams. I

July 13, 1965 H. D. FANsHAwE EARTH DRILLING RIGS I 30 sheets-sheet 7 Filed Aug. 22. 1961 /Nv'ArTdR Hfw 0. Fans/wiwi l Arroz/ve ys July 13, 1965 H. D. FANsHAwE EARTH DRILLING RIGS 50 Sheets-Sheet 8 Filed Aug. 22. 1961 .7C /Nvawrag l/sw D. FAA/sluwe me/vs Ys July 13, 1965 H. D. FANsHAwE EARTH DRILLING RIGS 30 Sheets-Sheet 9 Filed Aug. 22, 1961 WH-*W www HH,...

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EARTH DRILLING RIGS Filed Aug. 22, 1961 50 Sheets-Sheet 1l F|G.9. l N

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EARTH DRILLING RIGS Filed Aug. 22, 1961 30 Sheets-Sheet 12 /N VEA/Tof? NEW D. FA/vsfmw A rnaR/va YS July 13, 1955 H. D. FANsHAwE 3,194,313

EARTH DRILLING RIGS Filed Aug. 22. 1961 30 Sheets-Sheet 15 A-rroR/vfsfs July 13, 1965 H. D. FANsHAwE 3,194,313

EARTH DRILLING RIGS Filed Aug. 22. 1961 50 Sheets-Sheet 14 [NVE/urea HEw D. Fn/vsH/ WE ATTaR/VEYS July 13, 1965 H. D. FANsHAwE 3,194,313

EARTH DRILLING RIGS Filed Aug. 22, 1961 30 Sheets-Sheet 15 July 13, 1965 H. D. FANSHAWE 3,194,313

EARTH DRILLING RIGS Filed Aug. 22. 1961 30 Sheets-Sheet 16 /5/ F L/ FIG.I2. I i I l?? 7505 A l /50c /276 9 @aga e T /Q Q8 4l l z\ o @7A A /Q /275H .l Il

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EARTH DRILLING RIGS Filed Aug. 22, 1961 30 Sheets-Sheet 17 2b 55 sa FIG I4.

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/NvENToR Haw D. FnNsf/ewa Bv Xmnm ATM/vers July 13, 1965 H. D. FANsHAwE EARTH DRILLING RIGS 50 Sheets-Sheet 18 Filed Aug. 22. 1961 Irllr IIIIIIIII IIIIIIIIIIU INVENTOR HEw D. FANsHAwE BY E ATTQQNEYS July 13, 1965 H. D. FANsHAwE 3,194,313

EARTH DRILLING RIGS Filed Aug. 22, 1961 50 Sheets-Sheet 19 INvEN-rol Haw D. FANSHAWE.

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EARTH DRILLING RIGS Filed Aug. 22, 1961 50 Sheets-Sheet 20 A-r'rosa N EYS 

1. AN EARTH DRILLING RIG FOR HANDLING A DRILL PIPE STRING CONSISTING OF A PLURALITY OF CONNECTED DRILL PIPE SECTIONS COMPRISING A PLURALITY OF VERTICALLY MOVABLE PIPE STRING PULLING MECHANISMS, MEANS OPERABLE DURING THE VERTICAL MOVEMENT OF SAID MECHANISM FOR CAUSING SAID MECHANISMS TO SUCCESSIVELY ENGAGE, PULL AND RELEASE SAID PIPE STRING, AND MEANS CARRIED BY AT LEAST ONE OF SAID MECHANISMS FOR DISCONNECTING PIPE SECTIONS FROM SAID PIPE STRING WHILE SAID STRING IS IN MOTION. 